Donald S. Chisum's 53-volume masterwork gives you authoritative analysis of all issues pertaining to patent law, including doctrines, rules and case law relating to patentability, validity and infringement. Whether you're applying for a patent, appealing a patent application denial or litigating patent infringement, Chisum on Patents puts authority on your side. Chisum on Patents is also the most cited treatise in patent law today - cited more than 1000 times by the U.S. federal courts and twice as much as the nearest competitor since it was released in October 1978.

Chisum on Patents now includes analysis of the America Invents Act of 2011 and provides cross-references to related sections/chapters within the treaty for quick and easy research. One-stop research saves you time and money and gives you the information you need to answer questions on every topic in patent law:

• What constitutes a patentable invention • Fundamental requirements of patentability -- originality, novelty, utility and nonobviousness • Perfecting rights to a patentable invention • Rules regarding disclosure and submitting claims • Double patenting • Rules in priority of invention • Patent application process -- from filing through examination and appeals • Restriction requirements and divisional applications • Continuation applications • Requirements for obtaining the benefit of a prior patent filing in a foreign country • Applications for reissue • Substantive aspects of infringement Chisum on Patents also helps you draft patent claims quickly and confidently, and saves you time with over 300 pages of guidance on how best to draft patent claims -- including a detailed explanation of patent claim interpretation. Updated five times a year, no other treatise on patent law keeps you as current. Chisum on Patents provides clarifying analysis of the most important recent decisions and how they may affect your claims, with abstracts of all published decisions of the Court of Appeals for the Federal Circuit in a topically arranged outline.

"For over 25 years, I have relied on Prof. Chisum's treatise as THE essential tool for answering every conceivable patent law question. I have been repeatedly amazed by both the range and the depth of the subject matter contained in his work. No matter how arcane the patent law question, Prof. Chisum provides the answer. Frankly, could not do my job without the benefit of his books, both the main volumes and his amazing Federal Circuit Guide."

-- Jill D. Singer, Hovey Williams, LLP

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Authors / Contributors

Donald S. Chisum

Donald S. Chisum

Donald Chisum was Professor of Law at the University of Washington from 1969 to 1996 and professor of law at Santa Clara University from 1997 to 2006. He received his A.B. degree in 1966 and his law degree in 1968, both from Stanford University. Mr. Chisum is the author of Chisum on Patents, a 53-volume treatise, which was first published in October 1978, and annual Patent Law Digest. He revises the treatise five times per year to account for developments in United States patent law.

From 1997 to 2006, Mr. Chisum directed the Santa Clara Summer Institute on International and Comparative Intellectual Property, Munich, Germany. In 1989, he received the Jefferson Medal Award from the New Jersey Patent Law Association, for outstanding contribution to the constitutional goals of the patent and copyright systems. Mr. Chisum is Co-Founder of the Chisum Patent Academy, Inc., which provides high quality patent law training for junior attorneys or recent law graduates in a small group setting.

Mr. Chisum has testified before the U.S. House of Representatives Committee on the Judiciary, Subcommittee on Intellectual Property and Judicial Administration, on the subject of patents in space (1985), the Transgenic Animal Reform Act (1989) and the Biotechnology of Patent Protection Act of 1991.